diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7a0eb4100..a2fcc1a89 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6.0.3
+        uses: actions/checkout@v7.0.0
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index 7a312203d..1535e8f48 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -26,7 +26,7 @@ jobs:
     if: github.event.pull_request.merged == true
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Prepare uv
         run: |
           pip install uv
diff --git a/.github/workflows/verify.yml b/.github/workflows/verify.yml
index 3616fb9c0..d426c2efa 100644
--- a/.github/workflows/verify.yml
+++ b/.github/workflows/verify.yml
@@ -25,7 +25,7 @@ jobs:
       python-version: ${{ steps.python.outputs.python-version }}  # Ensure all runners use THIS minor version
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Python and determine minor version for ${{ env.DEFAULT_PYTHON }}
         id: python
         uses: actions/setup-python@v6
@@ -62,7 +62,7 @@ jobs:
       - prepare
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           persist-credentials: false
       - name: Restore cached environment
@@ -100,7 +100,7 @@ jobs:
       - dependencies_check
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Restore cached environment
         id: cache-reuse
         uses: plugwise/gh-actions/restore-venv@v2
@@ -135,7 +135,7 @@ jobs:
         python-version: ["3.14"]
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Python ${{ matrix.python-version }}
         id: python
         uses: actions/setup-python@v6
@@ -172,7 +172,7 @@ jobs:
       - pytest
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           persist-credentials: false
       - name: Restore cached environment
@@ -195,7 +195,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
 
@@ -205,7 +205,7 @@ jobs:
     name: Dependency
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Run dependency checker
         run: scripts/dependencies_check.sh debug
 
@@ -219,7 +219,7 @@ jobs:
     #  - mypy # Re-instate mypy when we are ready
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Restore cached environment
         id: cache-reuse
         uses: plugwise/gh-actions/restore-venv@v2
@@ -264,7 +264,7 @@ jobs:
     #  - mypy # Re-instate mypy when we are ready
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Prepare uv
         run: |
           pip install uv
@@ -307,7 +307,7 @@ jobs:
       - coverage
     steps:
       - name: Check out committed code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Restore cached environment
         id: cache-reuse
         uses: plugwise/gh-actions/restore-venv@v2